Monzo Bank Fined £21M After Account Issued to a Fake 10 Downing St Address

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Monzo Bank was fined £21 million due to a major compliance failure. The bank allowed someone to open an account using a fake address, 10 Downing Street, the UK Prime Minister’s residence. That’s one of the most famous addresses in the country, yet it slipped through the cracks.

This isn’t just a small error. It shows a deeper issue in how some digital banks check customer information. We live in a world where banking is fast, easy, and online. But that speed can come at a cost, especially when fraud goes unnoticed.

Now, Monzo is under the spotlight. Regulators are asking tough questions. The whole fintech industry is watching closely, wondering what this means for them. In this article, we’ll break down what happened, why the fine is so big, and what other banks can learn from Monzo’s mistake.

What Happened

From October 2018 to August 2020, Monzo’s systems did not correctly verify the identities of new customers. In some cases, people gave impossible addresses and still got verified. Even after August 2020, regulators barred Monzo from onboarding “high-risk” individuals. However, the bank still opened over 34,000 such accounts by mid-2022.

The Fine: How and Why

The FCA found Monzo’s anti-financial crime controls “completely inadequate.” Their failure spanned both onboarding and risk monitoring. The bank faced an initial fine of £30.1 million, but got a 30% discount for cooperating, bringing it to £21.1 million.

Monzo Speaks

Monzo’s CEO, TS Anil, said these failings are behind them. He highlighted substantial improvements since then. The bank joined the fraud prevention agency CIFAS in 2020. This led to identifying about 53,600 suspicious accounts, over half of which were shut down. TPMonzo emphasized that the issues are historical, and the systems are now stronger.

Regulators Sound the Alarm

FCA’s Therese Chambers warned that banks must act as a core defense against financial crime. Monzo’s weak checks, she said, fell “far short” of what society expects.

This is not isolated. Just last year, Starling Bank was fined £29 million for similar issues. The FCA is increasing its scrutiny of fintechs.

Why This Matters Beyond Monzo

We rely more on digital banks now than ever. But convenience shouldn’t outweigh safety. Monzo’s failure showed gaps in identity checks, risk assessment, and transaction monitoring, especially when systems can be switched off too quickly.

This has big implications. Banks need strong onboarding systems and real-time fraud monitoring. They must also regularly test these systems as they grow.

Mistakes and What Went Wrong

Monzo disabled its address verification tools in 2019 because too many good customers were flagged. This move left a loophole for fraudsters.

Also, Monzo didn’t fully follow the FCA’s VREQ (Very High-Risk Customer Requirements) between 2020 and 2022. They approved thousands of applicants flagged as high-risk.

Fixes Monzo Has Made

Since 2020, Monzo has:

  • Monzo rejoined CIFAS in 2020 and screened around 53,600 accounts, closing more than half due to suspected fraud.
  • Launched a financial crime change program.
  • Improved customer onboarding, risk assessment, and monitoring procedures.

They want to restore trust and avoid repeating mistakes.

Challenges Facing Digital Banks

Monzo’s story is a warning for all fintech:

  1. Fast growth needs matching controls. The scale shouldn’t compromise safety.
  2. Automation needs oversight. Tech is helpful, but it must be checked.
  3. Regulations are evolving. FCA is pushing for better systems.
  4. Fraudsters adapt. They’ll test any weak spot in verification.

Looking Ahead

Monzo is now under pressure to keep improving. It plans more investment in fraud prevention tech and compliance staff. They also plan to maintain full transparency with both regulators and the public.

Other digital banks can learn from Monzo’s mistakes. Ideally, we’ll see more robust systems, more reviews, and less chance for fraud to slip through.

Conclusion:

In the end, Monzo’s £21 million fine isn’t just about one mistake; it’s a signal to the whole digital banking world. As fintech grows, so does the responsibility to protect users and stop fraud. Allowing fake addresses like 10 Downing Street shows that even popular, fast-growing banks can overlook basic checks when scaling quickly. But Monzo’s response, tightening its systems, rejoining CIFAS, and screening thousands of accounts, shows it’s trying to fix the gaps. For now, regulators are watching closely, and other digital banks should take note. Trust, after all, is the foundation of banking, whether it’s online or on the high street.

FAQS:

Is Monzo still under investigation?

Yes. The FCA closed its criminal probe in June 2024. But it still has an ongoing civil investigation into Monzo’s anti‑money laundering measures.

Is Monzo Bank involved in financial crime?

No. Monzo didn’t commit a financial crime. But the FCA found systemic failures in its anti‑crime controls between 2018–2022, leading to fines.

 Is Monzo Bank in financial trouble?

No. Monzo is financially strong. It reported a £60.5 million profit for the year ending March 2025, up from £13.9 million last year.

Disclaimer:

This content is for informational purposes only and not financial advice. Always conduct your research.